19243710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 32458050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 263, 270, 271, 526, 542, 789, 813, 1315, 1355, 1578, 1626, 2367, 2439, 2630, 2710, 3945, 4065, 4734, 4878, 7101, 7317, 7890, 8130, 11835, 12195, 14202, 14634, 23670, 24390, 35505, 36585, 71010, 71273, 73170, 142546, 213819, 356365, 427638, 641457, 712730, 1069095, 1282914, 1924371, 2138190, 3207285, 3848742, 6414570, 9621855, 19243710]

約数ペア:

[(1, 19243710), (2, 9621855), (3, 6414570), (5, 3848742), (6, 3207285), (9, 2138190), (10, 1924371), (15, 1282914), (18, 1069095), (27, 712730), (30, 641457), (45, 427638), (54, 356365), (90, 213819), (135, 142546), (263, 73170), (270, 71273), (271, 71010), (526, 36585), (542, 35505), (789, 24390), (813, 23670), (1315, 14634), (1355, 14202), (1578, 12195), (1626, 11835), (2367, 8130), (2439, 7890), (2630, 7317), (2710, 7101), (3945, 4878), (4065, 4734)]